You purchased a bus ticket online for an intercity journey next week, but an unexpected medical emergency prevents you from travelling. Draft communications and supporting information to cancel the ticket and request a refund from the bus company.

a. Write the full e-mail to the Manager requesting cancellation and refund. Include To, Subject, body, and signature.

b. Give a concise subject line and the opening sentence of the e-mail (one clear sentence).

c. List the exact booking details and supporting documents you should include or attach to the e-mail (bullet points).

d. Write a polite closing paragraph asking for confirmation of cancellation, refund timeline, and providing contact information.